4-Amino-3-(difluoromethyl)-6-nitro-2-(trifluoromethyl)pyridine
3-Amino-5-(difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine
4-Amino-3-(difluoromethyl)-2-nitro-6-(trifluoromethyl)pyridine
4-Amino-2-(bromomethyl)-6-(difluoromethyl)-3-iodopyridine
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